Stalling issue.. - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 01-03-2004, 02:31 PM   #11
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Very true. Cleaning the TB and associated parts would be a free fix, and it should be done anyway. Do that first. Some auto parts stores will be able to test your ICM, but it'* an intermittent problem, so they may find nothing. After the intake cleaning, I'd try to find an ICM and coils from another 3800 to swap in for testing.
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Old 01-03-2004, 05:07 PM   #12
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Problem still being there is no junkyard within 300 miles that has another Bonneville or like car!
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Old 01-03-2004, 05:42 PM   #13
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Park avenue? Lesabre? Riviera? Grand Prix? There are millions of compatible donors.
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Old 01-03-2004, 05:54 PM   #14
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umm how about a 1986 Park Avenue..it was my previous cars Parts car
its in a junkyard close by....
3.8L LG3
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Old 01-03-2004, 07:52 PM   #15
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My guess is the crank sensor.
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Old 01-03-2004, 08:03 PM   #16
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UPDATE:
I sprayed half a can of TB cleaner inside the opening and reved it up and all..i know this isnt the greatest way to do it, but its -20 outside and i dont want to **** around a whole lot!
I took the car out on the hwy, slowed down to 20 mph then rugged it up to 80, around 3500-4000 rpms u can hear and see a fluctuation in rpms they kinda go up and down..u can hear because the tone of the supercharger whine goes up and down..leading me to think maybe i need a new CAT...i kicked it pretty hard and u can hear **** rattling around in there.
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Old 01-04-2004, 04:01 AM   #17
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If the cat is rattling, it needs to be replaced. It might not solve all your problems though. The way you described it, you have a SUDDEN kill. It'* possible, I supose. A bad cat is usually evident under load.
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